Thanks for these bnjtokyo. It is interesting that it's been around since at least 2011. The last link you give does use it in a different way, though. It is used as a verb, but is placed in quotes, so the author is showing us that it's being used metaphorically. Here it's the idea of stomping on the police cars, as if by a giant monster. As it was a monster truck, that's quite appropriate.

Life is like playing chess with chessmen who each have thoughts and feelings and motives of their own.

Philip, we have lots of clowns and big feet in our area. Black panthers are regularly spotted although a smart wildlife guy I know assures me they are impossible since cougars lack the necessary melanin.